- Northwell Health
- Northwell Health Home Care Network
- Northwell Health System
- Northwest Community Healthcare
- Northwestern Medicine
- Northwestern Memorial HealthCare
- Northwestern University
- Northwestern University Feinberg School of Medicine
- Norton Healthcare Inc
- Norton Home Health
- Norwest Venture Partners
- Nova Home Health Care Inc
- Nova Leap
- Nova Leap Health Corporation
- Novare
- Novus Health Care Services
- NPF
- NPR
- NQF
- NRMLA